string(271) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%A9%E6%B8%B8%E6%88%8Fping%E7%AA%81%E7%84%B6%E5%BE%88%E9%AB%98%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
玩游戏ping突然很高怎么解决
